GAM Coach: Towards Interactive and User-centered Algorithmic Recourse

• URL: http://arxiv.org/abs/2302.14165v2
• Date: Wed, 1 Mar 2023 01:36:37 GMT
• Title: GAM Coach: Towards Interactive and User-centered Algorithmic Recourse
• Authors: Zijie J. Wang, Jennifer Wortman Vaughan, Rich Caruana, Duen Horng Chau
• Abstract summary: We present GAM Coach, a novel open-source system that adapts integer linear programming to generate customizable counterfactual explanations for Generalized Additive Models (GAMs) A quantitative user study with 41 participants shows our tool is usable and useful, and users prefer personalized recourse plans over generic plans.
• Score: 28.137254018280576
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Machine learning (ML) recourse techniques are increasingly used in high-stakes domains, providing end users with actions to alter ML predictions, but they assume ML developers understand what input variables can be changed. However, a recourse plan's actionability is subjective and unlikely to match developers' expectations completely. We present GAM Coach, a novel open-source system that adapts integer linear programming to generate customizable counterfactual explanations for Generalized Additive Models (GAMs), and leverages interactive visualizations to enable end users to iteratively generate recourse plans meeting their needs. A quantitative user study with 41 participants shows our tool is usable and useful, and users prefer personalized recourse plans over generic plans. Through a log analysis, we explore how users discover satisfactory recourse plans, and provide empirical evidence that transparency can lead to more opportunities for everyday users to discover counterintuitive patterns in ML models. GAM Coach is available at: https://poloclub.github.io/gam-coach/.

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